Background sync
The background synchronization API registers a service worker callback to run only when the device is no longer offline. You can use this to let users continue using your app while offline and synchronize with a server after reconnecting.
Status
Limited availability
This feature received a negative standards position from at least one browser vendor. It's very unlikely to ever become Baseline in this current form.
MDN documentation
Specifications
Browser support
- Chrome 49 Released on 2016-03-02
- Chrome Android 49 Released on 2016-03-09
- Edge 79 Released on 2020-01-15
- Firefox ❌ Vendor position : negative
- Firefox for Android ❌ Vendor position : negative
- Safari ❌ See webkit.org/b/182565
- Safari on iOS ❌ See webkit.org/b/182565
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